   html, body {  
       width:100%;  
       height:100%;  
       background-color:#444;  
       text-align:center;  
       overflow:hidden;  
       font-size:9px;  
       font-family:Verdana, Geneva, Arial, Helvetica, sans-serif;  
       margin:0;padding:0;  
   }  
   /* visualization style container */  
   #pane {  
       background-color:#555;  
       position:relative;  
       width:900px;  
       height:500px;  
   }  
     
   a, a:link, a:visited {  
       color:#343439;  
   }  
   /* spacetree nodes CSS class */  
   .node {  
       background-color:transparent;  
       font-weight:bold;  
       overflow:hidden;  
       text-decoration:none;  
       position:absolute;  
       text-align:center;  
       padding:4px 1px 1px 1px;  
   }  
     
   .node:hover {  
       color:#393434;  
   }  
     
   .hidden{  
       display:none;  
   }  

